Multi-Range Combat Science (M.R.C.S) 2 Aluminum Kerambit Trainer Knives Knife & Karambit Training DVD Video Pukulan Serak 2 Aluminum Training Karambits & Instruction Video Great feel in the hand 1" ring hole Innovative cutlery company the Halls of Valhalla most popular knives, including this Kalaj Kutter, are now available in safe, trainer editions - COMES WITH INSTRUCTIONAL VIDEO -